Question about 2008 Ford F 250 Super Duty 4WD

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Electric trailer brakes are kicking out due to anti-lock brakes

My 2006 Ford F350 is used to pull a backhoe weighing 15,000 lbs. I have an Interstate 18 ton trailer with electric brakes. The trailer is pulled by a pintle hitch on the rear of the truck.The truck and trailer will stop ok when the road is dry. However, when the road is wet or if it is gravel, the anti-lock brakes will cause the front wheels to grab and release alternately, even worse, the trailer brakes will completely stop working. The truck came with a built in towing package with an energizer. When the truck is shutting off the trailer brakes, the only way to get the trailer brakes to work is to manually control the energizer with the manual squeeze bars built into the energizer. Ford has replaced the energizer and controller twice. It never seemed to help. Any suggestions?

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    yadayada May 11, 2010

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The ABS will shut off the trailer brakes if it detects a problem. It sounds as if the problem is in the ABS control unit, or the trailer brakes may not be grabbing hard enough causing the trailer to push the truck when you are attempting to stop. This sometimes can be corrected by adjusting the gain up on the trailer brakes.

Posted on Jun 17, 2009

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